Description: Most commonly used ranges for cars and trucks and can be mounted in fuse blocks in line fuse holders or fuse clips. Use on cars trucks SUVs boats and more electrical devices. How to use: Locate your vehicle s fuse panel and a blown fuse. The fuse panel can usually be found under the steering wheel. Remove the broken fuse. You can use a variety of tools or use your hands to extract the blown fuse carefully. Insert a replacement fuse of the correct amperage. Start the ignition to check if it works. If the same fuse blows soon after you replaced it or doesn t work at all please find a mechanic for help. Tips: Before you open or work on a fuse box please make sure your vehicle s ignition is turned off. Remove the fuse carefully they can break easily and a broken fuse is a lot harder to get out than a fully intact one.